import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: '首页', icon: 'dashboard' }
      }
    ]
  },

  {
    path: '/example',
    component: Layout,
    redirect: '/example/table',
    name: 'Example',
    meta: { title: '权限管理', icon: 'el-icon-s-help' },
    children: [
      {
        path: 'table',
        name: 'Table',
        component: () => import('@/views/table/index'),
        meta: { title: '用户管理' }
      },
      {
        path: 'tree',
        name: 'Tree',
        component: () => import('@/views/tree/index'),
        meta: { title: '角色管理' }
      },
      {
        path: 'permission',
        name: 'Permisssion',
        component: () => import('@/views/permission'),
        meta: { title: '菜单管理' }
      }
    ]
  },

  {
    path: '/product',
    name: 'Product',
    component: () => import('@/layout/index.vue'),
    redirect: '/product/category/list',
    meta: {
      title: '商品管理',
      icon: 'form'
    },
    children: [
      {
        path: 'category/list',
        name: 'Category',
        component: () => import('@/views/product/category/index.vue'),
        meta: { title: '分类管理' }
      },
      {
        path: 'trademark/list',
        name: 'Trademark',
        component: () => import('@/views/product/trademark/index.vue'),
        meta: { title: '品牌管理' }
      },
      {
        path: 'attr/list',
        name: 'Attr',
        component: () => import('@/views/product/attr/index.vue'),
        meta: { title: '平台属性管理' }
      },
      {
        path: 'spu/list',
        name: 'Spu',
        component: () => import('@/views/product/spu/index.vue'),
        meta: { title: 'SPU管理' }
      },
      {
        path: 'sku/list',
        name: 'Sku',
        component: () => import('@/views/product/sku/index.vue'),
        meta: { title: 'SKU管理' }
      }
    ]
  },
  // },

  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () =>
  new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
